Merge pull request #480 from 666ghj/fix/Upload-template

Fixed the Upload Template Button

@@ -235,7 +235,7 @@
         .upload-button input[type="file"] {
             position: absolute;
             left: 0;
-            top: 52px; /* 运行时再用JS同步为app-switcher的真实高度 */
+            top: 0; /* 覆盖整个按钮，确保点击按钮即可触发文件选择 */
             width: 100%;
             height: 100%;
             opacity: 0;